One vertex per element, one color per generator, with an edge from x to x·s.
(2,6)(3,8)(10,12)(14,16)(17,18,23,22)(19,24,29,27)(20,25,30,32)(21,31,28,26)(1,2,5,6)(3,4,8,7)(11,15)(14,16)(17,18,23,22)(19,27,29,24)(20,25,30,32)(21,26,28,31)(1,3)(2,4)(5,8)(6,7)(9,10,13,12)(11,14,15,16)(17,19,23,29)(18,24,22,27)(20,28,30,21)(25,26,32,31)(1,3)(2,7)(4,6)(5,8)(9,11,13,15)(10,14,12,16)(17,20)(18,25)(19,28)(21,29)(22,32)(23,30)(24,26)(27,31)(9,12,13,10)(11,16,15,14)(17,21,23,28)(18,26,22,31)(19,20,29,30)(24,32,27,25)(1,4,5,7)(2,8,6,3)(17,22,23,18)(19,27,29,24)(20,25,30,32)(21,31,28,26)A Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.